Boris Sevastyanov is a Ukrainian composer and arranger, singer, volunteer, public figure. Born in Kharkiv on April 1, 1983. The author of the music for the song "Prayer" (the author of the poetic text is Dzvinka Torokhtushko), which is considered the unofficial hymn of modern military chaplains. Wrote music for films: "Gryshka" (2008, Germany/Poland/Ukraine) — documentary; "The Lunch Box" (2009, USA-Slovakia) - "Oscar" award in the nomination "Feature student film" (2010, bronze); "Cold Yar The will of Ukraine - or death!" (2014, Ukraine) — documentary; "Glory of dishonour" (2017, Ukraine) — documentary; "Drones of Mandrona" (2020, Ukraine).